Clearing the airway--the cuffed pharyngeal airway.
Ball
C
C
Westhorpe
R
R
D004867:Equipment Design / Q000266:history; D049673:History, 20th Century; D006801:Humans; D007442:Intubation, Intratracheal / Q000266:history* / Q000295:instrumentation; D017214:Laryngeal Masks / Q000266:history; D010614:Pharynx